<template>
  <div class="login-container">
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on" label-position="left">

      <div class="title-container">
        <h3 class="title">
          分销商城后台管理系统
        </h3>
      </div>

      <el-form-item prop="username">
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="username"
          name="username"
          type="text"
          tabindex="1"
          autocomplete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <el-input
          ref="password"
          v-model="loginForm.password"
          placeholder="password"
          name="password"
          type="password"
          tabindex="2"
          autocomplete="on"
        />
      </el-form-item>

      <el-button :loading="loading" type="primary" style="width:100%;" @click.native.prevent="handleLogin">
        登录
      </el-button>

    </el-form>

  </div>
</template>

<script>
  export default {
    name: 'Login',
    data() {
      const validateUsername = (rule, value, callback) => {
        if (!value) {
          callback(new Error('管理员的名字不能为空!'))
        } else {
          callback()
        }
      };
      const validatePassword = (rule, value, callback) => {
        if(!value){
          callback(new Error('密码不能为空!'))
        }else if (value.length < 6) {
          callback(new Error('密码不少于6位!'))
        } else {
          callback()
        }
      };
      return {
        loginForm: {
          is_admin:1,
          username: '',
          password: ''
        },
        loginRules: {
          username: [{ required: true, trigger: 'blur', validator: validateUsername }],
          password: [{ required: true, trigger: 'blur', validator: validatePassword }]
        },
        loading: false
      }
    },
    mounted() {
    },
    methods: {
      handleLogin() {
        this.$refs.loginForm.validate(valid => {
          console.log(valid);
          if (valid) {
            this.loading = true;
            //发起请求
            this.axios.post('/api/login',this.loginForm).then((res)=>{
              if(res.data.errCode==0){
                let userInfo = JSON.stringify(res.data.result);
                sessionStorage.setItem("userInfo", userInfo);
                this.loading = false;
                this.$router.push('/');
              }else if(res.data.errCode==9){
                this.loading = false;
                this.$message.error(res.data.message)
              }
            }).catch((err)=>{
              console.log(err);
            })
          }
        })
      }
    }
  }
</script>

<style lang="less">
  /* 修复input 背景不协调 和光标变色 */
  /* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */
  @bg:#283443;
  @light_gray:#fff;
  @cursor: #fff;
  @supports (-webkit-mask: none) and (not (cater-color: @cursor)) {
    .login-container .el-input input {
      color: @cursor;
    }
  }
  /* reset element-ui css */
  .login-container {
    .el-input {
      display: inline-block;
      height: 47px;
      width: 85%;
      input {
        background: transparent;
        border: 0px;
        -webkit-appearance: none;
        border-radius: 0px;
        padding: 12px 5px 12px 15px;
        color: @light_gray;
        height: 47px;
        caret-color: @cursor;
        &:-webkit-autofill {
          box-shadow: 0 0 0px 1000px @bg inset !important;
          -webkit-text-fill-color: @cursor !important;
        }
      }
    }
    .el-form-item {
      border: 1px solid rgba(255, 255, 255, 0.1);
      background: rgba(0, 0, 0, 0.1);
      border-radius: 5px;
      color: #454545;
    }
  }
</style>
<style lang="less" scoped>
  @bg:#2d3a4b;
  @dark_gray:#889aa4;
  @light_gray:#eee;
  .login-container {
    min-height: 100%;
    width: 100%;
    background-color: @bg;
    overflow: hidden;
    .login-form {
      position: relative;
      width: 520px;
      max-width: 100%;
      padding: 160px 35px 0;
      margin: 0 auto;
      overflow: hidden;
    }
    .tips {
      font-size: 14px;
      color: #fff;
      margin-bottom: 10px;
      span {
        &:first-of-type {
          margin-right: 16px;
        }
      }
    }
    .title-container {
      position: relative;
      .title {
        font-size: 26px;
        color: @light_gray;
        margin: 0px auto 40px auto;
        text-align: center;
        font-weight: bold;
      }
    }
    .show-pwd {
      position: absolute;
      right: 10px;
      top: 7px;
      font-size: 16px;
      color: @dark_gray;
      cursor: pointer;
      user-select: none;
    }
  }
</style>

